MY146665A - Mono- and multi-layer blown films - Google Patents

Mono- and multi-layer blown films

Info

Publication number
MY146665A
MY146665A MYPI20084576A MYPI20084576A MY146665A MY 146665 A MY146665 A MY 146665A MY PI20084576 A MYPI20084576 A MY PI20084576A MY PI20084576 A MYPI20084576 A MY PI20084576A MY 146665 A MY146665 A MY 146665A
Authority
MY
Malaysia
Prior art keywords
mono
layer
polymer
polypropylene
nucleating agent
Prior art date
Application number
MYPI20084576A
Inventor
Stoll Klaus
Hornbach Karl-Heinz
Original Assignee
Ciba Holding Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ciba Holding Inc filed Critical Ciba Holding Inc
Publication of MY146665A publication Critical patent/MY146665A/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
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    • B29C55/005—Shaping by stretching, e.g. drawing through a die; Apparatus therefor characterised by the choice of materials
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    • B32B7/04—Interconnection of layers
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  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Laminated Bodies (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

AN EXTRUDED AIR COOLED BLOWN FILM HAVING A) A TOTAL THICKNESS OF 5 TO 500 µM, B) A MONO-LAYER STRUCTURE OR 2 TO 9 COEXTRUDED LAYERS, C) AT LEAST ONE LAYER L CONTAINING A POLYMER SELECTED FROM THE GROUP CONSISTING OF POLYPROPYLENE HOMOPOLYMERS, POLYPROPYLENE RANDOM COPOLYMERS, HETERO-PHASIC POLYPROPYLENE BLOCK COPOLYMERS, OR ANY MIXTURES THEREOF, SAID POLYMER HAVING A MELT FLOW RATE, ACCORDING TO ASTM D-1238, OF 0.1 TO 10 DG/MIN AT 230°C AND 2.16 KG, SAID LAYER L FURTHER CONTAINING 0.001 TO 2%, RELATIVE TO THE WEIGHT OF THE POLYMER, OF A PARTICULAR NUCLEATING AGENT, AND OPTIONALLY D) A MODULUS ACCORDING TO EN ISO 527 ENHANCED BY AT LEAST 10% VERSUS A REFERENCE FILM WITHOUT THE NUCLEATING AGENT.
MYPI20084576A 2006-05-16 2007-03-19 Mono- and multi-layer blown films MY146665A (en)

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US9278487B2 (en) 2016-03-08
ATE479541T1 (en) 2010-09-15
JP5275227B2 (en) 2013-08-28
JP2009537641A (en) 2009-10-29
CN103980618B (en) 2018-11-13
US20160136871A1 (en) 2016-05-19
PL2026965T3 (en) 2011-04-29
BRPI0711647A2 (en) 2011-11-29
CN101443191A (en) 2009-05-27
US20090208718A1 (en) 2009-08-20
WO2007068766A1 (en) 2007-06-21
CN103980618A (en) 2014-08-13
EP2026965A1 (en) 2009-02-25
US9732198B2 (en) 2017-08-15
US20170081486A1 (en) 2017-03-23
US20130161875A1 (en) 2013-06-27
BRPI0711647B1 (en) 2018-06-05
EP2026965B1 (en) 2010-09-01
ES2352579T3 (en) 2011-02-21
DE602007008888D1 (en) 2010-10-14
CA2648924A1 (en) 2007-06-21
CA2648924C (en) 2014-07-08

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